https://lichens.akveg.org/pages/taxa/umbilicaria_spp/ Recent content in Umbilicaria spp. on Macrolichens of Alaska Hugo en-us https://lichens.akveg.org/pages/taxa/umbilicaria_spp/umbil_angul/ Mon, 01 Jan 0001 00:00:00 +0000 https://lichens.akveg.org/pages/taxa/umbilicaria_spp/umbil_angul/ <h1 id="umbilicaria-angulata"> Umbilicaria angulata <a class="anchor" href="#umbilicaria-angulata">#</a> </h1> <p><img src="https://lichens.akveg.org/images/taxa/umbil_angul01.jpg" alt="Umbilicaria angulata" /></p> <h2 id="taxon"> Taxon <a class="anchor" href="#taxon">#</a> </h2> <p>Umbilicaria angulata</p> <h2 id="organization"> Organization <a class="anchor" href="#organization">#</a> </h2> <p>Rock Tripes</p> <h2 id="identification"> Identification <a class="anchor" href="#identification">#</a> </h2> <p>Best identified by its triangular, star, or asterisk-shaped apothecia although some are rounded as well. Apothecia more immersed in the similar U. phaea. U. angulata also has a lower surface covered in rhizinomorphs which are absent on the lower surface of U. phaea (CLH).</p> <h2 id="substrate"> Substrate <a class="anchor" href="#substrate">#</a> </h2> <p>Saxicolous</p> <h2 id="chemical-tests"> Chemical Tests <a class="anchor" href="#chemical-tests">#</a> </h2> <p>medulla: K-, C+ red, KC+ red, Pd- (CLH)</p> https://lichens.akveg.org/pages/taxa/umbilicaria_spp/umbil_pensy/ Mon, 01 Jan 0001 00:00:00 +0000 https://lichens.akveg.org/pages/taxa/umbilicaria_spp/umbil_pensy/ <h1 id="umbilicaria-pensylvanica"> Umbilicaria pensylvanica <a class="anchor" href="#umbilicaria-pensylvanica">#</a> </h1> <p><img src="https://lichens.akveg.org/images/taxa/umbil_pensy01.jpg" alt="Umbilicaria pensylvanica" /></p> <h2 id="taxon"> Taxon <a class="anchor" href="#taxon">#</a> </h2> <p>Umbilicaria pensylvanica</p> <h2 id="organization"> Organization <a class="anchor" href="#organization">#</a> </h2> <p>Rock Tripes</p> <h2 id="identification"> Identification <a class="anchor" href="#identification">#</a> </h2> <p>Umbilicaria pensylvanica is a recognizable rock tripe that can identified in the field. The upper surface of this species is a tan to brown color and is covered in pustules. These pustules have corresponding depressions on the darkened to blackened undersides. This species lacks rhizines, isidia and soredia but can produce flat, black apothecia (Brodo et al. 2001, CLH).</p>